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Finding the Fourth Proportional to 173,115.70, 259,673.55 and 149,787.70

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Solution

The fourth proportional to 173,115.70, 259,673.55 and 149,787.70 is: 224,681.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,115.70 : 259,673.55 = 149,787.70 : x
  2. Step 2: Convert to fraction form
    173,115.70/259,673.55 = 149,787.70/x
  3. Step 3: Cross multiply
    173,115.70x = 259,673.55 × 149,787.70
  4. Step 4: Simplify right side
    173,115.70x = 38,895,903,805.34
  5. Step 5: Solve for x
    x = 38,895,903,805.34/173,115.70
  6. Step 6: Final answer
    x = 224,681.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.